Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K31/00—Medicinal preparations containing organic active ingredients
  • A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
  • A61K31/19—Carboxylic acids, e.g. valproic acid
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/0012—Galenical forms characterised by the site of application
  • A61K9/0043—Nose
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/0012—Galenical forms characterised by the site of application
  • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
  • A61K9/0056—Mouth soluble or dispersible forms; Suckable, eatable, chewable coherent forms; Forms rapidly disintegrating in the mouth; Lozenges; Lollipops; Bite capsules; Baked products; Baits or other oral forms for animals
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/0012—Galenical forms characterised by the site of application
  • A61K9/0053—Mouth and digestive tract, i.e. intraoral and peroral administration
  • A61K9/006—Oral mucosa, e.g. mucoadhesive forms, sublingual droplets; Buccal patches or films; Buccal sprays
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K9/00—Medicinal preparations characterised by special physical form
  • A61K9/08—Solutions
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P11/00—Drugs for disorders of the respiratory system
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P11/00—Drugs for disorders of the respiratory system
  • A61P11/02—Nasal agents, e.g. decongestants
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P11/00—Drugs for disorders of the respiratory system
  • A61P11/04—Drugs for disorders of the respiratory system for throat disorders
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
  • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
  • A61P31/12—Antivirals

Definitions

• Carboxylic acid for treating/pre enting nasal congestion Carboxylic acid for treating/pre enting nasal congestion
• the present invention relates to a pharmaceutical composition
• a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as active ingredient for use in treating and/or alleviating and/or preventing nasal congestion, chronic rhinosinusitis, a viral infectious disease of the respiratory tract or an inflammation of the throat.
• the present invention relates to a method for treating and/or alleviating and/or preventing nasat congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat in.
• the present invention relates to a method for alleviating the symptoms associated with nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat comprising administering an effective amount of a carboxylic acid or a pharmaceutically acceptable salt thereof or a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof to a patient in need thereof,
• Respiratory disease is a common and significant cause of illness and death around the world. In the US, approximately 1 billion “common colds ' " occur each year. A study found that in 2010, there were approximately 6.8 million emergency department visits for respiratory disorders in the U.S. for patients under the age of 18; see Wier (2010) HCUP Statistical Brief #157. Agency for Healthcare Research and Quality. Rockville, MD. In 2012, respiratory conditions were the most frequent reasons for hospital stays among children; see Witt (2014) HCUP Statistical Brief #186. Rockville, MD: Agency for Healthcare Research and Quality. In general, respiratory diseases encompass pathological conditions affecting the organs and tissues that make gas exchange possible in mammals. The respiratory tract can be divided into upper and lower respiratory tract.
• the upper respiratory tract can refer to the parts of the respiratory system lying above the sternal angle (outside of the thorax), above the glottis (vocal cords), or above the cricoid cartilage.
• the tract consists of the nasal cavity and paranasal sinuses, the pharynx (nasopharynx, oropharynx and laryngopharynx) and sometimes includes the larynx. Due to the gas exchange with the environment in the upper respiratory tract, exposure to potentially toxic or pathogenic agents present in the environment is increased compared to other parts of the body. Therefore, many infections and diseases manifest themselves in the upper respiratory tract, as evidenced by the above numbers.
• the technical problem underlying the present invention is the provision of means and methods to treat/al!eviate/prevent nasal congestion, chronic rhinosinusitis, a viral infectious disease of the respiratory tract and/or an inflammation of the throat.
• the technical problem is solved by provision of the embodiments characterized in the claims.
• the present invention relates to a carboxylic acid or a pharmaceutically acceptable salt thereof, particularly to a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as active ingredient, particularly in liquid or solid form, for use in treating nasal congestion, chronic rhinosinusitis, a viral infectious disease of the respiratory tract or an inflammation of the throat, particularly upon administration to a patient in need thereof, particularly wherein said patient is an animal or a human.
• the present invention also relates to a carboxylic acid or a pharmaceutically acceptable salt thereof, particularly to a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as active ingredient, particularly in liquid or solid form, for use in preventing nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat, particularly upon administration to a patient in need thereof, particularly wherein said patient is an animal or a human.
• the present invention also relates to a carboxyiic acid or a pharmaceutically acceptable salt thereof, particularly to a pharmaceutical composition comprising a carboxyiic acid or a pharmaceutically acceptable salt thereof as active ingredient, particularly in liquid or solid form, for use in alleviating the symptoms associated with nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat, particularly upon administration to a patient in need thereof, particularly wherein said patient is an animal or a human.
• a decongestive effect is achieved, which is immediate and/or lasting.
• a relief from soreness of the throat is achieved, which is immediate and/or lasting.
• the pharmaceutical composition for use according to the invention and as described herein comprises a pharmaceutically acceptable carrier and/or excipient.
• the carboxyiic acid for use according to the invention comprises between two and four carbon atoms.
• the carboxyiic acid for use according to the invention is acetic acid, propionic acid or butyric acid, or a pharmaceutically acceptable salt thereof, preferably propionic acid, or a pharmaceutically acceptable salt thereof
• the pharmaceutical composition for use according to any one of the embodiments disclosed herein may be in liquid form and administered intranasally, otologically, by inhalation or directly to the throat.
• compositions for use according to any one of the embodiments disclosed herein may be in solid form and administered sublingually or bucally, particularly in form of a lozenge.
• the invention provides a container comprising the carboxylic acid or a pharmaceutically acceptable salt thereof, particularly the pharmaceutical composition according to any one of the embodiments disclosed herein.
• the invention provides a method for treating nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat in. a patient, the method comprising administering an effective amount of a carboxylic acid or a pharmaceutically acceptable salt thereof or a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as disclosed herein in the various embodiments to a patient in need thereof.
• the invention provides a method for preventing nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat comprising administering an effective amount of a carboxylic acid or a pharmaceutically acceptable salt thereof or a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as disclosed herein in the various embodiments to a patient in need thereof.
• the invention provides a method for alleviating the symptoms associated with nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat comprising administering an effective amount of a carboxylic acid or a pharmaceutically acceptable salt thereof or a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as disclosed herein in the various embodiments to a patient in need thereof.
• the carboxylic acid or a pharmaceutically acceptable salt thereof or the pharmaceutical composition may be administered as described herein in any one of the various embodiments.
• the carboxylic acid used in the present invention is not particularly limited as long as it is an organic compound that contains a carboxyl group (C(O)OH) and having the general formula of R-C(0)OH, wherein R is a rest attached to the C(0)OH functional group.
• R is an alkyl group, optionally having further modifications.
• R represents a methyl, ethyl or propyl side chain.
• R is an ethyl side chain, the carboxylic acid thus being propionic acid.
• alkyl as such means a straight- chained or branched saturated aliphatic hydrocarbon having from 1 to 10, in particular 1 to 3 » carbon atoms, wherein the alkyl group may be unsubstituted or substituted with one or more, same or different, substituents selected from the group consisting of hydroxyl, amino, carboxylic acid, halogen, cyano, or nitro.
• the carboxylic acid according to the invention and as described herein in the various embodiments or aspects is selected from the group consisting of acetic acid, propionic acid, butyric acid, isobutyric acid, 2-hydroxyproirinic acid, dilactic acid, 2-benzyloxypropionic acid, 2-(p- nitrophenyl)-oxy-propionic acid, 3-hydroxypropionic acid, 2,3-dihydroxypropionic acid, methyl 3-hydroxypropionate, ethyl 3-hydroxypropionate, propyl 3-hydroxypropionate, benzyl 3-hydroxypropionate, para-nitrophenyl 3-hydroxypropionate, p-nitrobenzyl 3- hydroxypropionate, polyethylene glycol 3-hydroxypropionate, methyl propionate, ethyl propionate, propyl propionate, benzyl propionate, p-nitrophenyl propionate, p- nitrobenzyl propionate, 2-(4-
• the compound for use according to the invention and as described herein in the various embodiments or aspects is selected from the group consisting of acetic acid, propionic acid and butyric acid, or pharmaceutically acceptable salts thereof.
• the carboxylic acid used in the present invention may contain one or more asymmetric centers and thus occur as racemates and racemic mixtures, single enantiomers, individual diastereomers and diastereomeric mixtures. AH such isomeric forms of these compounds are expressly included in the present invention.
• the compounds of this invention may also contain linkages (e. g., carbon- carbon bonds) wherein bond rotation is restricted about that particular linkage, e. g. restriction resulting from the presence of a ring or double bond. Accordingly, all cis-trans and E/Z isomers are expressly included in the present invention.
• the compounds of this invention may also be represented in muitiple tautomeric forms, in such instances, the invention expressly includes all tautomeric forms of the compounds described herein in the various embodiments or aspects, even though only a single tautomeric form may be represented (e.g., alkylation of a ring system may result in alkylation at multiple sites, the invention expressly includes all such reaction products). All such isomeric forms of such compounds are expressly included in the present invention. All crystal forms of the compounds described herein are expressly included in the present invention.
• the carboxylic acid used in the present invention or the pharmaceutically acceptable salt thereof, or a composition comprising the carboxylic acid according to the invention and as described herein in the various embodiments or aspects, particularly in a therapeutically effective amount, optionally, together with a pharmaceutically acceptable carrier, is used in the treatment and/or prevention of nasal congestion, a viral infection of the respiratory tract and/or inflammation of the throat, and/or in the alleviation of the symptoms associated with nasal congestion, a viral infection of the respiratory tract and/or inflammation of the throat
• the present invention relates to a carboxylic acid, in particular acetic acid, propionic acid or butyric acid, according to the invention and as described herein in the various embodiments or to a pharmaceutically acceptable salt thereof, or to a composition comprising the carboxylic acid according to the invention and as described herein, or a pharmaceutically acceptable salt thereof, particularly in a therapeutically effective amount, optionally, together with a pharmaceutically acceptable carrier, for use in the treatment and/or prevention of nasal congestion, chronic rhinosinusitis, a viral infection of the respiratory tract and/or inflammation of the throat; and/or in the alleviation of the symptoms associated with nasal congestion, a viral infection of the respiratory tract and/or inflammation of the throat.
• the carboxylic acid in particular acetic acid, propionic acid or butyric acid, according to the invention and as described herein in the various embodiments or to a pharmaceutically acceptable salt thereof, or to a composition comprising the carboxylic acid according to the invention and as described herein,, or a pharmaceutically acceptable salt thereof, particularly in a therapeutically effective amount, optionally, together with a pharmaceutically acceptable carrier, is also provided for use in the treatment of cystic fibrosis.
• the carboxylic acid in particular acetic acid, propionic acid or butyric acid, according to the invention and as described herein in the various embodiments or to a pharmaceutically acceptable salt thereof, or to a composition comprising the carboxylic acid according to the invention and as described herein, or a pharmaceutically acceptable salt thereof, particularly in a therapeutically effective amount, optionally, together with a pharmaceutically acceptable carrier, is also provided for use in the alleviation of the symptoms associated of cystic fibrosis.
• the carboxylic acid in particular acetic acid, propionic acid or butyric acid, according to the invention and as described herein in the various embodiments or the pharmaceutically acceptable salt thereof, or the composition comprising the carboxylic acid according to the invention and as described herein, or the pharmaceutically acceptable salt thereof, particularly in a therapeutically effective amount, optionally, together with a pharmaceutically acceptable carrier, is administered as sinus washes and/or is inhaled as nebulized medication.
• compositions of the invention as described herein in the various embodiments or aspects is in form of a solution. Therefore, it is preferred to use pharmaceutical acceptable carriers that are in form of a liquid. Accordingly, the pharmaceutically acceptable carriers include, but are not limited to, water, salt solutions, alcohols, benzyl alcohols, polyethylene glycols.
• the carrier may also comprise any of the substances described in Remington: The Science and Practice of Pharmacy (Gennaro and Gennaro, Eds, 20th edition, Lippincott Williams & Wilkins, 2000); Theory and Practice of Industrial Pharmacy ((Lachman et al, eds., 3 rd edition, Lippincott Williams & Wilkins, 1986); Encyclopedia of Pharmaceutical Technology (Swarbrick and Boylan, eds., 2nd edition, Marcel Dekker, 2002).
• the present invention provides an aqueous liquid pharmaceutical composition
• the pharmaceutical acceptable carrier preferably comprises water.
• the composition is preferably in the form of a solution.
• the solution is preferably an aqueous solution.
• composition according to the invention and as described herein in the various embodiments is preferably in the form of a spray, in particular a nasal spray, ear spray or throat spray.
• aqueous pharmaceutical compositions which are stable.
• compositions according to the invention and as described herein in the various embodiments are preferably aqueous, which means that the vehicle used is water.
• the pharmaceutical composition according to the invention and as described herein in the various embodiments may further comprise one or more preservative, It is preferred that the preservative comprises one or more substance selected from the group consisting of benzalkonium chloride, benzethonium chloride, methyl p-hydroxybenzoate, ethyl p- hydroxybenzoate, butyl p-hydroxybenzoate, propyl p-hydroxybenzoate, thimerosal, sodium dehydroacetate and myristyl-gamma- picolinium chloride, sodium benzoate, potassium benzoate, potassium sorbate.
• the preservative is benzalkonium chloride.
• the pharmaceutical composition according to the invention and as described herein in the various embodiments may further comprise one or more buffering agents.
• the buffering agent may comprise one or more substance selected from the group consisting of sodium hydrogenphosphate, potassium dihydrogenphosphate, dipotassium phosphate, anhydrous sodium dihydrogenphosphate, crystalline sodium dihydrogenphosphate, boric acid, borax, sodium acetate, citric acid, citric anhydride, sodium citrate, sodium glutamate and creatinine.
• the buffering agent is citric acid and sodium citrate.
• the citric acid may be anhydrous.
• the buffering agent is Locke-Ringer solution.
• a mildly acidic or neutral pH is generally preferred.
• the compositions of the present invention have a pH in the range of 4 to 9, more preferably in the range of 6 to 8 and even more preferably in the range of 7.5 to 8.5.
• the pH of the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may be, for example, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5 or 9, more preferably 6, 6.1 , 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7, 7.1 , 7.2, 7.3, 7.4, 7.5, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1 , 8.2, 8.3, 8.4 or 8.5 and even more preferably 7.5, 7.6, 7.7, 7.8, 7.9, 8.0, 8.1 , 8.2, 8.3, 8.4 or 8.5.
• compositions according to the invention and as described herein in the various embodiments also possess appropriate isotonicity and viscosity.
• compositions according to the present invention have an osmotic pressure of 270 to 550 mOsm/liter.
• the osmolality of preferable compositions according to the invention is 400 to 550 mosmol/kg. Any suitable isotonic agent and/or thickening agent may be used to achieve appropriate isotonicity and/or viscosity.
• a composition according to the invention and as described herein in the various embodiments is preferably included in a suitable container.
• the container is preferably provided with means enabling the application of the contained composition to the nasal mucosa.
• Suitable applicators are known in the art and include those aiding the administration of liquid nasal compositions in a solution or spray form.
• a container as shown in Figure 1 may be used. Since the dosing should be done as accurately as possible, spray form is a more suitable medium.
• Spray form administrators suitable for use include atomizers, pump- atomizers, aerosols and the like.
• one application of the nasal spray extrudes about 140 ⁇ .
• the preferred dose per nostril is 140 ⁇ of the pharmaceutical composition.
• the carboxylic acid as active ingredient may be concentrated at 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1 , 0.1 1 , 0.12, 0.13, 0.14, 0.15, 0.15, 0.16, 0.17, 0.18, 0.19, 0.2, 0.21 , 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.3, 0.3 , 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.4, 0.41 , 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.5, 0.51 , 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59, 0.6, 0.61 , 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68, 0.68, 0.69, 0.7, 0.71 , 0.72, 0.73, 0.74, 0.75, 0.
• the concentration is between about 5 mg/ml and about 10 mg/ml.
• the present invention further provides a nasal spray dispenser comprising (i) a housing containing the composition according to the invention and as described herein in the various embodiments and a pharmaceutically acceptable liquid carrier; and (ii) means enabling the application of the composition from within the housing to the nasal mucosa.
• a composition according to the invention and as described herein in the various embodiments is preferably included in a suitable container.
• the container is preferably provided with means enabling the application of the contained composition to the throat.
• Suitable applicators are known in the art and include those aiding the administration of liquid compositions in a solution or spray form. Since the dosing should be done as accurately as possible, spray form is a more suitable medium. Spray form administrators suitable for use include atomizers, pump- atomizers, aerosols and the like.
• one application of the throat spray extrudes about 40 ⁇ .
• the preferred dose is 140 ⁇ of the pharmaceutical composition.
• the carboxylic acid as active ingredient may be concentrated at 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08. 0.09, 0.1 , 0.11 , 0.12, 0.13, 0.14, 0.15, 0.15, 0.16, 0.17, 0.18, 0.19, 0.2, 0.21 , 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.3, 0.31 , 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.4, 0.41 , 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.5, 0.51 , 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59.
• the concentration is between about 5 mg/ml and about 10 mg/ml.
• a according to the invention and as described herein in the various embodiments is preferably included in a suitable container.
• the container is preferably provided with means enabling the application of the contained composition to the throat.
• Suitable applicators are known in the art and include those aiding the administration of liquid compositions in a solution or spray form. Since the dosing should be done as accurately as possible, spray form is a more suitable medium. Spray form administrators suitable for use include atomizers, pump- atomizers, aerosols and the like.
• one application of the throat spray extrudes about 140 ⁇ .
• the preferred dose is 140 ⁇ of the pharmaceutical composition.
• the carboxylic acid as active ingredient may be concentrated at 0.01 , 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.1 , 0.1 1 , 0.12, 0.13, 0.14, 0.15, 0.15, 0,16, 0.17, 0.18, 0.19, 0.2, 0,21 , 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0,29, 0,3, 0,31 , 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.4, 0.41 , 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.5, 0,51 , 0,52, 0.53, 0.54, 0,55, 0.56, 0.57, 0.58, 0.59, 0.6, 0.81 , 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68, 0.68, 0.69, 0.7, 0.71 , 0.72, 0.73, 0.74, 0.75, 0.76
• the present invention in one embodiment, relates to a container suitable for otologic, throat and/or nasal application comprising the pharmaceutical composition of the invention as described herein in the various embodiments or aspects, in particular the pharmaceutical composition comprising as active ingredient a carboxylic acid.
• compositions can be formulated into the composition as neutralized pharmaceutically acceptable salt forms.
• Pharmaceutically acceptable salts include, but are not limited to, the acid addition salts, which are formed with inorganic acids such as, for example, hydrochloric, sulfuric or phosphoric acids, or such organic acids as acetic, oxalic, tartaric, mandelic, citric and the like. Salts formed from the free carboxyl groups can also be derived from inorganic bases such as, for example, sodium, potassium, ammonium, calcium, or ferric hydroxides, and such organic bases as isopropylamine, trimethylamine, 2-ethylamino ethanol, histidine, procaine, and the like.
• the carboxylic acid or the acceptable salt thereof is the only active ingredient comprised in said pharmaceutical composition.
• active ingredient within the meaning of the invention, is a pharmaceutical active substance, in particular the carboxylic acid, i.e., a substance that shows a physiological effect when it is absorbed in sufficient amount by the body of an organism.
• treatment covers any treatment of a disease in a subject and includes: (a) preventing a disease related to an undesired immune response from occurring in a subject which may be predisposed to the disease; (b) inhibiting the disease, i.e. arresting its development; or (c) relieving the disease, i.e. causing regression of the disease,
• a "patient” or “subject” for the purposes of the present invention is used interchangeably and meant to include both humans and other animals, particularly mammals, and other organisms. Thus, the methods are applicable to both human therapy and veterinary applications.
• the patient or subject is a mammal, and in the most preferred embodiment the patient or subject is a human.
• propionate refers to the pharmaceutically acceptable salt of propionic acid such as, for example, the sodium salt of propionic acid.
• pharmaceutically acceptable salts include salts of acidic or basic groups present in compounds of the invention as described herein in the various embodiments or aspects.
• Pharmaceutically acceptable acid addition salts include, but are not limited to, hydrochloride, hydrobromide, hydroiodide, nitrate, sulfate, bisulfate, phosphate, acid phosphate, isonicotinate, acetate, lactate, salicylate, citrate, tartrate, pantothenate, bitartrate, ascorbate, succinate, maleate, gentisinate, fumarate, gluconate, glucaronate, saccharate, formate, benzoate, glutamate, methanesulfonate, ethanesulfonate, benzensuffonate, p-toluenesulfonate and pamoate (i.e., 1 ,1 '-methylene-bis-(2-hydroxy- 3-naphthoate)) salts.
• Certain compounds of the invention can form pharmaceutically acceptable salts with various amino acids.
• Suitable base salts include, but are not limited to. aluminum, calcium, lithium
• compositions and “therapeutical composition” are used herein interchangeably in the widest sense. They are meant to refer, for the purposes of the present invention, to a therapeutically effective amount of the active ingredient, i.e. the carboxylic acid or a pharmaceutically acceptable salt thereof, optionally, together with a pharmaceutically acceptable carrier or diluent.
• compositions that are suitable for the curative treatment, the control, the amelioration, an improvement of the condition or the prevention of a disease or disorder in a human being or a non-human animal.
• pharmaceutical compositions for the use in the area of human or veterinary medicine.
• Such a “therapeutic composition” is characterized in that it embraces a carboxylic acid or a physiologically acceptable salt thereof, and optionally a carrier or excipient whereby the salt and the carrier and excipient are tolerated by the target organism that is treated therewith.
• the compounds of the present invention and as described herein in the various embodiments and the pharmaceutical compositions containing said compounds may be administered nasally, otologically or to the throat and thus be formulated in a form suitable for such administration routes, as described above.
• the pharmaceutical compositions provided herein in the various embodiments may also be administered as controlled-release compositions, i.e. compositions in which the active ingredient is released over a period of time after administration.
• Controlled- or sustained-release compositions include formulation in lipophilic depots (e.g. fatty acids, waxes, oils).
• the composition is an immediate-release composition, i.e. a composition in which all the active ingredient is released immediately after administration.
• compositions as described herein in the various embodiments may be used in human and veterinary medicine for treating humans and animals, including avians, non-human primates, dogs, cats, pigs, goats, sheep, cattle, horses, mice, rats and rabbits. It is preferred to treat humans.
• Suitable dosages of the pharmaceutical compositions according to the invention and as described herein in the various embodiments will vary depending upon the condition, age and species of the subject, and can be readily determined by those skilled in the art. Such dosage will be adjusted to the individual requirements in each particular case including the specific compound(s) being administered, the route of administration, the condition being treated, as well as the patient being treated. However, the compounds can also be administered as depot preparations (implants, slow-release formulations, etc.) weekly, monthly or at even longer intervals. The appropriate dosage can be determined by conducting conventional model tests, preferably animal models. The daily dosage can be administered as a single dose or in divided doses.
• a dose of about 140 ⁇ per nostril is applied in case of nasal administration, wherein the concentration of the carboxylic acid as active ingredient is between about 5 mg/ml and 10 mg/ml.
• the said dose may be applied various times per day, e.g. 1 , 2, 3, 4, 5, 6, 7, 8, 9 or 10 times per day depending on the degree of congestion of the nose.
• a preferred dosage for intranasal application is a dose of about 1000 to 1500 pg per nostril, in particular 400 pg per nostril per application.
• a preferred dosage for application to the throat is a dose of about 1000 to 500 pg per application, wherein the pharmaceutical composition is administered one to three times per application.
• the dose may be determined using methods well-known in the art.
• an effective dose of active ingredient(s) depends at least on the nature of the condition being treated, toxicity, whether the compound(s) is being used prophylactically (lower doses) or against an active condition, the method of delivery, and the pharmaceutical formulation, and will be determined by the clinician using conventional dose escalation studies.
• the dosage is adjusted to achieve an immediate and/or lasting effect, particularly an immediate and/or lasting decongestive effect or an immediate and/or lasting relief from soreness of the throat.
• immediate and/or lasting effect particularly an immediate and/or lasting decongestive effect or an immediate and/or lasting relief from soreness of the throat.
• immediate and/or lasting effect particularly an immediate and/or lasting decongestive effect or an immediate and/or lasting relief from soreness of the throat.
• immediate and/or lasting effect refers to an effect occurring without delay or very soon after administration.
• the effect occurs 1 » 2, 3, 4, 5, 6, 7, 8, 9, 10 or 15 minutes after administration of the pharmaceutical composition of the invention as described herein in the various embodiments or aspects, preferably after 10 minutes or less, more preferably 5 minutes or less.
• the term "lasting" refers to an effect, in particular a decongestive effect, remaining substantially unchanged over an extended period of time.
• the decongestive effect caused by the pharmaceutical composition of the invention as described herein in the various embodiments or aspects lasts over a period of 1 , 2, 3, 4, 5, 6, 7, 8, 9 or 10 hours without further administration of the pharmaceutical composition of the invention.
• a further administration of the pharmaceutical composition of the invention during this period may even extend the period.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may have an immediate and lasting effect, in particular where the congestion is mild. In case of hay fever, the effect may be observed only after a more extended period of time, in particular after 20, 25, 30, 35 or 40 minutes after administration of the pharmaceutical composition of the invention.
• the effect on viral infections of the respiratory tract and/or inflammation of the throat may also be immediate and/or lasting, as described above.
• the person skilled in the art is we 11 -aware that effects may not be immediately recognized by the patient, depending on the physiological appearance of said effect. That is, a curative effect on viral infections of the respiratory tract and/or inflammation of the throat may be immediate, but physiological appearance may only change after a more extended period of time.
• the present invention in one particular embodiment, provides a pharmaceutical composition having an immediate and/or lasting curative effect on viral infections of the respiratory tract and/or inflammation of the throat, wherein immediate refers to an effect occurring 1 , 2, 3, 4, 5, 6, 7, 8, 9 » 10 or 15 minutes after administration of the pharmaceutical composition of the invention and lasting refers to an effect over a period of 1 , 2, 3, 4, 5 » 8, 7, 8 » 9 or 10 hours without further administration of the pharmaceutical composition of the invention.
• the effect may be a decongestive effect on the nose.
• the effect may also be a decline of symptoms such as a dry nose, a runny nose and/or sneezing.
• the invention relates to a pharmaceutical composition according to the invention and as described herein in the various embodiments having an immediate and/or lasting curative effect on a dry nose, runny nose and/or sneezing, wherein a curative effect on a dry nose refers to a humidification of a dry nose, a curative effect on a runny nose refers to a reduction of such symptoms in particular cessation of a runny nose and a curative effect on sneezing refers to a reduced rate of sneezing, in particular a complete cessation of sneezing.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may also be in soiid form for inter alia bucal or sublingual administration.
• the pharmaceutically acceptable carriers include, but are not limited to, water, salt solutions, alcohols, gum arabic, vegetable oils, benzyl alcohols, polyethylene glycols, gelatin, carbohydrates such as lactose, amylose or starch, magnesium stearate, talc, silicic acid, viscous paraffin, white paraffin, glycerol, alginates, hyaluronic acid, collagen, perfume oil, fatty acid monoglycerides and diglycerides, pentaerythritol fatty acid esters, hydroxy methylcellulose, and polyvinyl pyrrolidone.
• the carrier may also comprise any of the substances described in Remington: The Science and Practice of Pharmacy (Gennaro and Gennaro, Eds, 20th edition, Lippincott Williams & Wilkins, 2000); Theory and Practice of Industrial Pharmacy ((Lachman et al, eds., 3 rd edition, Lippincott Williams & Wilkins, 1986); Encyclopedia of Pharmaceutical Technology (Swarbrick and Boylan, eds., 2nd edition, Marcel Dekker, 2002).
• the fillers can be chosen from, but are not limited to, powdered cellulose, sorbitol, mannitol, various types of lactose, phosphates and the like.
• the polymers can be chosen from, but not limited to, hydrophilic or hydrophobic polymers such as derivatives of cellulose (for example methylcellulose, hydroxypropyl cellulose, hypromellose, ethylcellulose); polyvinylpirolidone (for example povidone, crospovidone, copovidone); polymethacrylates (for example Eudragit RS, RL); lypophillic components ⁇ for example glyceryl monostearate, glyceryl behenate); and various other substances such as for example hydroxypropyl starch, polyethylene oxide, carrageenan and the like.
• hydrophilic or hydrophobic polymers such as derivatives of cellulose (for example methylcellulose, hydroxypropyl cellulose, hypromellose, ethylcellulose); polyvinylpirolidone (for example povidone, crospovidone, copovidone); polymethacrylates (for example Eudragit RS, RL); lypophillic components ⁇
• hydrophilic swelling polymers of suitable viscosity such as hypromellose are used, preferably in amounts above 5%, and more preferably above 8%.
• Giidants can be chosen from, but not limited to, colloidal silicon dioxide, talc, magnesium stearate, calcium stearate, aluminium stearate, palmitic acid, stearic acid, stearol, cetanol, polyethylene glycol and the like.
• Lubricants can be chosen from, but not limited to, stearic acid, magnesium stearate, calcium stearate, aluminium stearate, sodium stearyl fu ma rate, talc, hydrogenated castor oil, polyethylene glycols and the like.
• a suitable form is a lozenge.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects is used for treating/preventing nasal congestion, chronic rhinosinusitis, viral infections of the respiratory tract and/or inflammation of the throat.
• nasal congestion may have various causes.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may be used for treating/preventing nasal congestion as a symptom of any of these causes.
• Causes include but are not limited to allergies, like hay fever, allergic reaction to pollen or grass, common cold or influenza, a deviated septum, reaction to medication, Rhinitis medicamentosa, a condition of rebound nasal congestion brought on by extended use of topical decongestants (e.g., oxymetazoline, phenylephrine, xylometazoline, and naphazoline nasal sprays), sinusitis or sinus infection, like in particular a chronic rhinosinusitis, pregnancy as a cause for women to suffer from nasal congestion, nasal polyps, concha bullosa, empty nose syndrome or gastroesophageal reflux disease.
• topical decongestants e.g., oxymetazoline, phenylephrine, xylometazoline, and naphaz
• a particular embodiment of the invention is the application of the means of the invention to treat/prevent symptoms of hay fever, in particular a congestion, particularly congestion of the nose. That is, the present invention provides a pharmaceutical composition comprising a carboxylic acid or a pharmaceutically acceptable salt thereof as active ingredient for use in treating and/or alleviating and/or preventing nasal congestion caused by hay fever.
• Viral infections treated/prevented by the pharmaceutical composition of the invention as described herein in the various embodiments or aspects are particularly those that are taken up by the airway system and manifest themselves in the respiratory tract.
• Viral infections commonly affect the upper or lower respiratory tract Although these infections can be classified by the causative virus (eg, influenza), they are generally classified clinically according to syndrome (eg, the common cold, bronchiolitis, croup, nasal congestion, airway congestion). Although specific pathogens commonly cause characteristic clinical manifestations (eg, rhinovirus typically causes the common cold, respiratory syncytial virus (RSV) typically causes bronchiolitis), each can cause many of the viral respiratory syndromes.
• RSV respiratory syncytial virus
• the pharmaceutical composition can be used for treating/preventing syndroms of bronchiolotis caused by RSV or influenza viruses, parainfluenza viruses, adenoviruses, rhinoviruses; a common cold caused by rhinoviruses, coronaviruses, influenza viruses, parainfluenza viruses, enteroviruses, adenoviruses, human metapneumoviruses; croup caused by parainfluenza viruses, influenza viruses or RSV; influenza-like illness caused by influenza viruses, adenoviruses, parainfluenza viruses; or pneumonia caused by influenza viruses, RSV, adenoviruses, enteroviruses, rhinoviruses, human metapneumoviruses or coronaviruses.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may also be used to prevent any of these diseases/illnesses.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may also be used to treat/prevent throat inflammation, in particular pharyngitis. The majority of cases of pharyngitis are due to an infectious organism acquired from close contact with an infected individual.
• Viruses causing pharyngitis comprise, but are not limited to, adenoviruses, the most common of the viral causes. In such cases, typically, the degree of neck lymph node enlargement is modest and the throat often does not appear red, although it is painful. Orthomyxoviridae may also cause pharyngitis. In such cases, a rapid onset of high temperature, headache and generalized ache is diagnosed. A sore throat may be associated. Infectious mononucleosis ("glandular fever") caused by the E stein-Barr virus may also be the basis for pharyngitis.
• Glandular fever Infectious mononucleosis
• the heterophile test which is known to the person skilled in the art, can be used if this is suspected.
• the Herpes simplex virus can cause multiple mouth ulcers; measles and common cold caused by rhinovirus, coronavirus, RSV, parainfluenza virus, which all cause infection of the throat, ear, and lungs causing standard cold-like symptoms and often pain.
• pharyngitis include bacterial infections of the throat, usually caused by Streptococcus pneumoniae, Haemophilus influenzae, Bordetella pertussis, Bacillus anthracis, Corynebacterium diphtheriae, Neisseria gonorrhoeae, Chlamydophila pneumoniae, and Mycoplasma pneumonia. Pharyngitis may also be caused by non-infectious means such as mechanical, chemical or thermal irritation, for example cold air or acid reflux. Some medications may produce pharyngitis such as pramipexole and antipsychotics.
• the pharmaceutical composition of the invention as described herein in the various embodiments or aspects may be used to treat/prevent further inflammation or any of the symptoms associated therewith.
• a further application to the throat is the treatment and/or prevention of congestion due to cystic fibrosis of a patient having cystic fibrosis.
• the throat application may be due to COPD.
• cystic fibrosis causes, inter alia, clogging of the airways due to mucus build-up, decreased mucociliary clearance, and resulting inflammation. In the early stages, incessant coughing, copious phlegm production, and decreased ability to exercise are common.
• bronchiectasis changes in the architecture of the lung, such as pathology in the major airways (bronchiectasis), further exacerbate difficulties in breathing.
• Other signs include coughing up blood (hemoptysis), high blood pressure in the lung (pulmonary hypertension), heart failure, difficulties getting enough oxygen to the body (hypoxia), and respiratory failure requiring support with breathing masks, such as bilevel positive airway pressure machines or ventilators.
• Staphylococcus aureus, Haemophilus influenzae, and Pseudomonas aeruginosa are the three most common organisms causing lung infections in cystic fibrosis. Mucus in the paranasal sinuses is equally thick and may also cause blockage of the sinus passages, leading to infection.
• cystic fibrosis may, inter alia, cause symptoms that can be alleviated by the means and methods of the present invention. Therefore, the present invention also relates to a pharmaceutical composition comprising a carboxylic acid for use in treating/preventing/alleviating/reducing symptoms of cystic fibrosis.
• COPD chronic obstructive pulmonary disease
• COPD chronic obstructive pulmonary disease
• the main symptoms include shortness of breath and cough with sputum production.
• the disease is sometimes also referred to as chronic bronchitis.
• Most cases of COPD can be prevented by reducing exposure to risk factors. This includes decreasing rates of smoking and improving indoor and outdoor air quality. While treatment can slow worsening there is no cure.
• Current COPD treatments include stopping smoking, vaccinations, respiratory rehabilitation, and often inhaled bronchodilators and steroids.
• the means and methods of the present invention may also be used for treating/preventing/alleviating/reducing symptoms of COPD.
• Figure 1 Delivery device for intranasal application.
• the figure shows the 3K®-System from the company Ursatecmaschine GmbH (St. Wendel, Germany) in a schematic drawing as exemplary delivery device for the inventive pharmaceutical composition.
• aspects of the present invention are additionally described by way of the following illustrative non-limiting examples that provide a better understanding of embodiments of the present invention and of its many advantages.
• the following examples are included to demonstrate preferred embodiments of the invention. It should be appreciated by those of skill in the art that the techniques disclosed in the examples which follow represent techniques used in the present invention to function well in the practice of the invention, and thus can be considered to constitute preferred modes for its practice.
• the nasal spray prototype has been tested in humans and an immediate improvement of nasal breathing has been noted, which is linked with improved mucus clearance and an apparent 'opening' of the upper respiratory tract. This sensation occurs instantaneously indicative of a direct effect of the nasal spray on the epithelial cells, and possibly, mucus. The effect is akin to a nasal decongestion spray. The duration of the affect is 2-6 hours and was clearly more potent and effective than similar nasal spray medical devices already on the market.
• Volunteer testing 1Qmg/ml solution Two volunteers (both female) with an unspecific discomfort in the nose in regards to a congested nose tested the 10mg/ml solution in regards to subjective relief of symptoms, Following the administration of the propionate solution (140 pi of a 0 mg/ml solution), both volunteers independently observed an immediate strong and lasting decongestive effect (> 2 hrs).
• Volunteer testing sequentially all three solutions (LR, 5mg/ml and 10 mg/ml)
• One volunteer (female) with an unspecific discomfort in the nose in regards to a heavily congested nose tested all three solutions (LR, 5mg/ml and 10 mg/ml) in regards to subjective relief of symptoms.
• Test person 4 Male, Age: ⁇ 18
• the Locke-Ringer solution had the following composition:
• the test item was sodium propionate Table 8
• Volunteers with an unspecific discomfort in the nose such as enhanced nasal discharge/ secretion (runny nose), congested nose, sneezing, itchy nose or feeling of a dry nose were included in the exploratory study.
• volunteers without any unspecific discomfort in the nose were included for tolerability testing of the nasal spray.
• Volunteer testing 10 mq/ml solution Two independent tests were performed by one volunteer (female) with an unspecific discomfort in the nose in regards to a runny nose. For both tests one administration of the 10mg/ml solution was performed. And in both studies, following the administration of the 10mg/ml solution there was an immediate ceasing of the runny nose observed, which lasted for about 1 hr.
• Test person 1 Female. Age: 18-60 Table 12
• Test person 3 Female. Age: 18-60
• Example 3 Carboxylic acid applied by a Throat Spray
• a lOmg/ml Na-P solution was applied to volunteers with an unspecific discomfort such as sore throat
• throat spray for each test occurred as follow: After a slight flexion of the neck, solution was administered into throat, via single pressure on the spray pump. Then the neck was extended and retained in this position for 5-10 seconds. Observation periods were up to 8 hours post administration.
• Test person 1 Female. Age: 18-60
• Example 4 Carboxylic acid applied to treat congested Ear caused by Hey Fever
• Test samples were prepared as described above.
• Test person 1 Female, Age: 18-60
• Example 5 Treatment of congested nose caused by hay fewer using a nasal spray
• Volunteer testing 10 mg/ml solution (one female, two independent tests) Two independent tests were performed by one volunteer (female) with an unspecific discomfort in the nose in regards to congested nose caused by allergic coryza (hey fever). For both tests one administration of the 10mg/ml solution was performed. In both studies, following the administration of the 10mg/ml solution there was a decongestive effect of the nose observed, which started around 30 min following the administration of the 10mg/ml solution and which had a long-lasting effect (6 - 8hr).
• Test person 1 Female. Age: 18-60
• the volunteers were given a one time administration of 140 ⁇ of the 10 mg/mS solution in both nostrils.
• the volunteers experienced a strong decongestive effect within 5-30 minutes following the application.
• the decongestive effect lasted for more than 60 minutes.

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